The super flyweight champion of the WBO, Argentinean Omar "El Huracan" Narvaez (32-0, 19KOs), and his challenger, Victor Zaleta (17-1, 9KOs) of Mexico, met at the official weigh-in for their fight on Saturday in Monte Hermoso, Buenos Aires, Argentina. The weigh-in was held at the Auditorium Hall of the White Bay Hotel in Argos.

Both Narvaez and his rival were 51.900 kg (114.4 pounds approx.). Jose Rivera will be the referee for Narváez-Zaleta while the judges are: Ramon Cerdan (Argentina), Cesar Ramos and Ignacio Robles (both from Panama). The WBO supervisor will also be from Panama, Rolando Marcos Hermoso.